Dell DR4000 - Manual (Page 80)

80 Installing System Components
Figure 3-12. Removing and Installing a Memory Module
7 Align the memory module's edge connector with the alignment key of the
memory module socket, and insert the memory module in the socket.
NOTE: The memory module socket has an alignment key that allows you to
install the memory module in the socket in only one way.
8 Press down on the memory module with your thumbs to lock the memory
module into the socket.
When the memory module is properly seated in the socket, the ejectors on
the memory module socket snap in place.
9 Repeat step 5 through step 8 of this procedure to install the remaining
memory modules.
10 Replace the cooling shroud. See "Installing the Cooling Shroud" on
page 63.
11 Close the system. See "Closing the System" on page 61.
12 Start up the system, press to enter the System Setup program,
and check the System Memory settings on the main System Setup screen.
1 memory module 2 memory module socket ejectors (2)
3 alignment key
2
1
3
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